OpenTechnical

OT-2026-000080286

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000080286) never changes.

Identity and time

Publication numberOT-2026-000080286 · never reused
Internal UUID01a0ae96-7e77-72a3-86be-e08881bb71f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080286
StatusPUBLIC

Content hashes

Canonical text14a9d8b0e551d3c5683cf3a257e7b8665b335a60f75b85fbe0bb01c8259b53e2
Markdownc084333682850a3f74464ac2b4cb53197dd54cc237a40a4047f5a2f26e632afe
PDF
Publication pagef287ba5c933b67441a0de0548cbbb660a092a2487d1b5d0d1d14deb3f7d0114e
Manifest18089825027a521398b9db266653f561816dfa9bea3a82712c7d64c9cf42f473

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4Rrj6/pw+mrrEvlEaGekBlP562gb7Mvytfy/cOe0mp5JaGSnX+zyK3uVzb14uCdHma4crmsRh+NOPJsumYs5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:44.894773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080286
observed f287ba5c933b67441a0de0548cbbb660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.877191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080286/manifest.json
observed 18089825027a521398b9db266653f561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.860284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080286/publication.md
observed c084333682850a3f74464ac2b4cb5319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.841709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080286/publication.txt
observed 14a9d8b0e551d3c5683cf3a257e7b866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.